EP 4233117 A4 20240320 - SOLID-STATE BATTERY AND METHOD OF FORMING SAME
Title (en)
SOLID-STATE BATTERY AND METHOD OF FORMING SAME
Title (de)
FESTKÖRPERBATTERIE UND VERFAHREN ZU IHRER HERSTELLUNG
Title (fr)
BATTERIE À ÉLECTROLYTE SOLIDE ET SON PROCÉDÉ DE FORMATION
Publication
Application
Priority
- US 202017122462 A 20201215
- US 202117242284 A 20210427
- US 2021043318 W 20210727
Abstract (en)
[origin: US11271247B1] Methods of forming an electrochemical cell using a non-inert gas are disclosed. Exemplary methods include providing a first gas before applying or more of current and voltage to the cell. The first (e.g., non-inert) gas can facilitate formation of a solid electrolyte interphase (SET). Further examples of the disclosure relate to methods of forming an electrochemical cell or portion thereof by electrospraying a solution including polymeric material. Such methods potentially eliminate a step of compressing the cell at a pressure beyond 100 MPa and prolong the cycle life while preventing a fire hazard.
IPC 8 full level
H01M 4/04 (2006.01); H01M 4/66 (2006.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 10/0585 (2010.01); H01M 10/52 (2006.01)
CPC (source: EP KR US)
H01M 4/0447 (2013.01 - EP KR); H01M 4/662 (2013.01 - EP KR US); H01M 10/049 (2013.01 - EP KR); H01M 10/0525 (2013.01 - EP); H01M 10/0562 (2013.01 - EP KR US); H01M 10/058 (2013.01 - US); H01M 10/0585 (2013.01 - EP); H01M 10/52 (2013.01 - EP KR); H01M 50/30 (2021.01 - US); H01M 2300/0068 (2013.01 - EP KR); Y02E 60/10 (2013.01 - EP KR); Y02P 70/50 (2015.11 - EP)
Citation (search report)
- [IY] US 2011195320 A1 20110811 - NISHIKOORI HIDETAKA [JP], et al
- [Y] US 7354626 B1 20080408 - PATRISSI CHARLES J [US], et al
- [Y] US 2020006731 A1 20200102 - TOKUNO YOKO [JP], et al
- [A] US 2013266859 A1 20131010 - TODORIKI HIROATSU [JP], et al
- [A] US 2019372149 A1 20191205 - CHO SUNG-JU [KR], et al
- [A] US 2018287130 A1 20181004 - DE SOUZA JOEL P [US], et al
- [A] US 2018287410 A1 20181004 - DE SOUZA JOEL P [US], et al
- [A] US 2020227757 A1 20200716 - IMAI SHINJI [JP]
- [Y] EP 3467908 A1 20190410 - LG CHEMICAL LTD [KR]
- [Y] WO 2016089899 A1 20160609 - POLYPLUS BATTERY CO INC [US]
- [A] KR 20200131298 A 20201123 - FUJIFILM CORP [JP]
- [A] US 2020014060 A1 20200109 - DE SOUZA JOEL P [US], et al
- See also references of WO 2022132237A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 11271247 B1 20220308; EP 4233117 A1 20230830; EP 4233117 A4 20240320; JP 2023550529 A 20231201; KR 20230152653 A 20231103; WO 2022132237 A1 20220623
DOCDB simple family (application)
US 202117242284 A 20210427; EP 21907359 A 20210727; JP 2023535274 A 20210727; KR 20237024028 A 20210727; US 2021043318 W 20210727